Commons:Pranie licencji

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This page is a translated version of a page Commons:License laundering and the translation is 42% complete. Changes to the translation template, respectively the source language can be submitted through Commons:License laundering and have to be approved by a translation administrator.

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All works on Wikimedia Commons are required to be released under a free license by their copyright holder. Unless the uploader is the copyright holder, we require proof that the copyright holder released the work under the license. This is typically done either by submitting permission via e-mail, or by posting a public statement on the copyright holder's website.

Czasami użytkownicy ładują obraz ze strony, która twierdzi, że udostępnia go na wolnej licencji, ale w rzeczywistości ta strona sama używa obrazu bez zgody (i często bez jakiejkolwiek informacji o autorze!). Jest to nazywane praniem licencji. Szczególnie często dotyczy to stron do publikowania zdjęć takich jak Flickr lub Picasa Web Albums, które pozwalają swoim użytkownikom podać wolną licencję dla swoich obrazów. Takie ładowanie może uniknąć wykrycia jako naruszenie praw autorskich, gdyż źródłowa strona wydaje się stanowić "dowód" poprawności licencji.

Jeśli podejrzewa się pranie licencji, nawet kiedy źródłowy użytkownik twierdzi, że posiada prawa autorskie, plik powinien zostać zgłoszony do usunięcia.

Because historically this has happened most frequently with Flickr, the term Flickr washing to refer to license laundering via Flickr is also commonly encountered.

Wykrywanie prania licencji[edit]

There are several ways to detect license laundering. One of the simplest is to search for the image—using keywords from its title/description or using an image search such as TinEye or Google Search by Image—and see if an official source website can be found. Usually laundered files are available elsewhere on the web, although they may also be scanned from paper sources.

Another simple technique is to look at the other photos included in the same page or set at the source website. Look at EXIF metadata if it is available. Were the images taken at about the same time, using the same camera, in the same location? Do they have about the same resolution and exhibit the same artistic style or level of quality? Or are they all dramatically different? A hodgepodge of images points to reproduction of others' images without permission, while similar images suggest legitimacy.

Examine the source website to determine who uploaded the images. On sites like Flickr, this information may be available through the user's profile information. Such information can give hints to the identity and profession of the uploader. If the file is high quality, the uploader should be identifiable as a professional or skilled hobbyist. If the file depicts models or celebrities, the uploader should be someone who works with celebrities.

Finally, it is often useful to contact the source website (e.g., message the Flickr user) and politely ask where they obtained the image in question. Often the person who borrowed the image will be happy to disclose that they are not in fact the copyright holder, and merely copied the image from elsewhere.

Zobacz też[edit]